光源在柄上

The optical lamp consists of a neutral white, high-power LED incorporated into a plastic case with a stem. It is suitable for carrying out experiments in ray optics. Power is provided by means of a 5 V DC plug-in power supply adapter. ... 更多

Monochromatic, coherent light source for optical experiments, e.g. on diffraction, interference, and hologram reconstitution. Anodised metal housing with key switch, neutral filter for attenuating beam, 2 stand rods and power supply ... 更多

High temperature source designed to produce thermal radiation, for investigating how such radiation depends on the temperature and to confirm the Stefan-Boltzmann law. The tungsten filament represents a good approximation of a point source ... 更多

这个扩展小的光源用于光学实验，它具有黑色涂料的金属外壳，可以垂直和水平使用。 卤素照明灯：12V，15W 光圈：直径40mm 连接: 通过4毫米的安全插头 规格：80×80×105 mm 杆：直径 10 mm 另外需要： U13900 插入式电源 更多

光学实验台和投影实验用的超亮光源。它由一个带有冷凝器的金属外壳，一个轴向光调整的可移动元件和一个带有螺旋安装的保持阀杆。包括插入式电源。 发光二极管：18伏，10瓦 电源插头：100 - 240 V交流，50 / 60赫兹 冷凝器焦距：100毫米 冷凝器直径：80 mm 轴：125毫米x 10毫米Ø 尺寸：约240x115x220毫米³ 重量：约1.5公斤 更多

Red light source giving a beam with minimal divergence, housed in a compact and sturdy aluminium body. It is based on a 650 nm class II industrial laser module with a glass collimating lens. Fitted with a 10 cm stainless steel rod. A plug ... 更多

High performance 532 nm green laser (doubled NdYag). The laser (safety classification II) produces green light ideally suitable for optical demonstrations, as the wavelength is in the range where the human eye has maximum sensitivity. The ... 更多